/************************************************************************
**
**  Copyright (C) 2009, 2010, 2011  Strahinja Markovic  <strahinja.markovic@gmail.com>
**
**  This file is part of Sigil.
**
**  Sigil is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation, either version 3 of the License, or
**  (at your option) any later version.
**
**  Sigil is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with Sigil.  If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/

#pragma once
#ifndef IMPORTEPUB_H
#define IMPORTEPUB_H

#include "Importers/ImportOEBPS.h"

class HTMLResource;
class CSSResource;

class ImportEPUB : public ImportOEBPS
{

public:

    // Constructor;
    // The parameter is the file to be imported
    ImportEPUB( const QString &fullfilepath );

    // Reads and parses the file 
    // and returns the created Book
    virtual QSharedPointer< Book > GetBook();    

private:

    /**
     * Parses the "encryption.xml" file in the META-INF folder.
     * We return the list of file paths and the algorithms used
     * to encrypt them.
     * 
     * @return The list of encrypted fsiles. The keys are the
     *         absolute paths to the files and the values are the 
     *         encryption algorithm IDs.     
     */
    QHash< QString, QString > ParseEncryptionXml();

    bool BookContentEncrypted( const QHash< QString, QString > &encrypted_files );

    void AddObfuscatedButUndeclaredFonts( const QHash< QString, QString > &encrypted_files );

    /**
     * Another workaround function to handle com.apple.ibooks.display-options.xml
     * and any future non-standard Apple xml. If additional files need to
     * be excluded from being handled as proper ePub content, you will also
     * need to alter FILE_EXCEPTIONS at the top of FolderKeeper.cpp so the QRegExp
     * will detect them.
     * This is not added to the manifest, but epubcheck uses a similar exception
     * and accepts ePubs containing an unmanifested file of this name.
     */
    void AddNonStandardAppleXML();

    void ProcessFontFiles( const QList< Resource* > &resources, 
                           const QHash< QString, QString > &updates,
                           const QHash< QString, QString > &encrypted_files );    
};

#endif // IMPORTEPUB_H

